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class="op-item-meat">當(dāng)物體克服重力做功時(shí)，物體的重力勢(shì)能一定增加</span></span> <span id="p9sjazu" class="op-item"><span id="avmc6fc" class="op-item-nut">C . </span><span id="os0ayfw" class="op-item-meat">重力勢(shì)能為負(fù)值說(shuō)明其方向與規(guī)定的正方向相反</span></span> <span id="njkhmm2" class="op-item"><span id="at3uzbn" class="op-item-nut">D . </span><span id="u7ur1r8" class="op-item-meat">重力勢(shì)能的大小與零勢(shì)能參考面的選取有關(guān)</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="mqtgo06" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="dpip8ir" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=4428521" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="clb7e8o" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過(guò)本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-450734.shtml" target="_blank" title="備考2018年高考物理一輪基礎(chǔ)復(fù)習(xí)：專(zhuān)題5 重力、彈力、摩擦力" class="ex-tit"> <b></b><span>備考2018年高考物理一輪基礎(chǔ)復(fù)習(xí)：專(zhuān)題5 重力、彈力、摩擦力</span> </a> </li> </ul> </div>  <div id="m8r7uoc" class="JV_question__subject"> <ul class="subjects-recomm"> <li> <a href="/merge?id=394" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/11/13/76/a7/76a76e6216d40a4b182e08db669f4e9c.jpg"> </a> </li> <li> <a href="/merge?id=390" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/29/ed/45/ed453a7e6f57e01cc4f6f1bd955a6a1c.jpg"> </a> </li> <li> <a href="/merge?id=388" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/24/4a/da/4ada51dc83cb91069cbe14038588a3c6.jpg"> </a> </li> </ul> </div> </div> </div> <div id="bgpkix6" class="inner-footer"> <div id="e75dpyi" class="g-cw"> <div id="kv7w60h" class="footer-adress"> <P>2006-2025 深圳市思高達(dá)科技有限公司 <a ref='nofollow'>粵ICP備14099982號(hào) </a> <a 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